void main() {
  assert(2 == 2);
  print('2 == 2: ${2 == 2}');
  assert(2 != 3);
  print('2 != 3: ${2 != 3}');
  assert(3 > 2);
  print('3 > 2: ${3 > 2}');
  assert(2 < 3);
  print('2 < 3: ${2 < 3}');
  assert(3 >= 3);
  print('3 >= 3: ${3 >= 3}');
  assert(2 <= 3);
  print('2 <= 3: ${2 <= 3}');
}
